From a3942a072f2c2057f40fe8a765a656c910f49e50 Mon Sep 17 00:00:00 2001
From: Stephen Birarda <commit@birarda.com>
Date: Wed, 29 May 2013 17:38:00 -0700
Subject: [PATCH] more tuning on distance attenuation for audio mixer

---
 audio-mixer/src/main.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/audio-mixer/src/main.cpp b/audio-mixer/src/main.cpp
index 3d1690e39a..05ecaa1ed6 100644
--- a/audio-mixer/src/main.cpp
+++ b/audio-mixer/src/main.cpp
@@ -55,7 +55,7 @@ const float BUFFER_SEND_INTERVAL_USECS = (BUFFER_LENGTH_SAMPLES_PER_CHANNEL / SA
 const long MAX_SAMPLE_VALUE = std::numeric_limits<int16_t>::max();
 const long MIN_SAMPLE_VALUE = std::numeric_limits<int16_t>::min();
 
-const float DISTANCE_SCALE = 5.0f;
+const float DISTANCE_SCALE = 2.5f;
 const float PHASE_AMPLITUDE_RATIO_AT_90 = 0.5;
 const int PHASE_DELAY_AT_90 = 20;
 
@@ -166,7 +166,7 @@ int main(int argc, const char* argv[]) {
                                                                   powf(agentPosition.z - otherAgentPosition.z, 2));
                                     
                                     float minCoefficient = std::min(1.0f,
-                                                                    powf(0.3,
+                                                                    powf(0.4,
                                                                          (logf(DISTANCE_SCALE * distanceToAgent) / logf(2.5))
                                                                          - 1));
                                     distanceCoefficients[lowAgentIndex][highAgentIndex] = minCoefficient;